Evaporative cooler pump



FIG. 1 is a front perspective view of an evaporative cooler pump showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front perspective view of a second embodiment of an evaporative cooler pump showing my new design; and

FIG. 4 is a rear perspective view thereof.

The fragmentary showing of an electrical cord in all views is for ease of illustration and represents conventional wiring. 

The ornamental design for an evaporative cooler pump, as shown and described. 